Npi to pi question

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01-12-2012, 10:14 AM

F250saleen

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Npi to pi question

Hi i just finished my v10 with pi heads and cams but im using stock npi intake manifold and old 5 star tune. The truck really does not feel any diffrent in power do u think the npi intake and not tuned for pi is hurting me that much? Thanks lmk

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01-13-2012, 08:43 AM

krewat

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The intake is definitely a source of some of the problem. Also, the tune is sure to need updating.

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